1998 Title 24 Standards
and the New Tight Duct Credit

Why?

• Quality control
• Reduction in customer call-backs due to poor HVAC performance
• Significant energy savings
• Improved indoor air quality
• Improved building comfort
• Reduced moisture intrusion
• Avoid introduction of air pollutants due to leakage from garages or attics

How?

• Requires Title 24 Computerized Compliance Performance Runs
• Verified through field diagnostic testing by certified HERS rater
• All closures must meet UL 181A and B
• Drawbands with flex duct must meet listed requirements